Click the Choose File button at the top of the list.
Navigate to the location of the brand.
Select the brand.
From the Manage Brand Plug-ins page, click the Upload button at the top of the list.
Use the Atlassian Confluence procedures for exporting and importing XML versions of a space. Be sure to export and import your utility (site master) space. Space-level Zen settings are also exported. You may need to wait on the Confluence indexer in order to see the imported content.
Open each Confluence site (original and new) in a web browser.